Release 0.238¶
Warning
There is a bug in this release that will cause certain queries with lambda expressions to fail. There is a reliability issue in ZSTD compression that causes frequent excessive GC events in this release.
Warning
There is a bug in LambdaDefinitionExpression canonicalization introduced in this release. For more details, go to #15424.
Highlights¶
Fix SQL function parameters to be case-insensitive.
Add support to create external function. (#13254)
Add support for exchange materialization of table bucketed by non-hive types. This can be enabled by setting the
bucket_function_type_for_exchange
session property orhive.bucket-function-type-for-exchange `` configuration property to ``PRESTO_NATIVE
.Add predicate pushdown support for
DATE
,TIMESTAMP
, andTIMESTAMP_WITH_TIME_ZONE
literals for Pinot connector.
General Changes¶
Fix SQL function parameters to be case-insensitive.
Add
target_result_size
session property to customize data batch sizes being streamed from coordinator.Add optimization to push null filters to the INNER side of equijoins. The optimization can be enabled with
optimize-nulls-in-joins
.Add
sessionProperty
override to Presto JDBC URI.Add support to create external function. (#13254)
Add session property
query_max_broadcast_memory
to limit the memory a query can use for broadcast join.Remove max buffer count configuration property
driver.max-page-partitioning-buffer-count
for optimized repartitioning.
Geospatial Changes¶
Fix error in
geometry_invalid_reason()
.Fix integer overflow in certain cases with Bing Tiles.
Hive Changes¶
Fix a bug in Parquet reader which manifests when there are nested column schema changes.
Add support for exchange materialization of table bucketed by non-hive types. This can be enabled by setting the
bucket_function_type_for_exchange
session property orhive.bucket-function-type-for-exchange `` configuration property to ``PRESTO_NATIVE
.
Pinot Changes¶
Add support to retry data fetch exception. This can be enabled by setting the configuration property
pinot.mark-data-fetch-exceptions-as-retriable
.Add predicate pushdown support for
DATE
,TIMESTAMP
, andTIMESTAMP_WITH_TIME_ZONE
literals.
Verifier Changes¶
Fix an issue where session properties of control and test queries also affects checksum queries.
Add support to report peak task memory usage for control and test queries.